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Windowsリブート後にONTAP SANのLUNが消える

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ontap-9
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san
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環境

  • ONTAP 9.14以降
  • SnapMirror

問題

  • LUNの移動後、Snapmirror Consistency GroupのベースSnapshotを解放するとLUNが消失する
  • MPIOが構成されている場合、SCSIディスクエントリは非表示状態に移動する
  • Microsoft MPIO はLUNの移行後にEvent ID 47を表示し、デバイス名はすべてのターゲットポートに対してDisk -1を表示する:
MPIO disk -1.png
 
  • 新しい target-port-groups IDはより高い順序で作成されます(つまり、13e9が元の13e8の前に来ます)、そして report_new_rtpgids flag は1に設定されます
cluster2::*> debug san lun show-target-port-groups
Vserver Node          Path  Target Port Groups
------- -------------------- ----- ------------------------------------------
svm1_cluster2         /vol/NetApp/NetApp
<snip>
               /vol/vol_sql1_db_dest/sql1_db
     cluster2-01         13e9 Active/Non-Optimized: 2
                  13e8 Active/Optimized: 1
     cluster2-02         13e9 Active/Non-Optimized: 2
                  13e8 Active/Optimized: 1

cluster2::*> statistics show -object lun -counter scsit_lu_flag_status -node cluster2-01 -raw

Object: lun
Instance: /vol/vol_sql1_db_dest/sql1_db
Start-time: 1/8/2025 14:02:33
End-time: 1/8/2025 14:02:33
Scope: svm1_cluster2
Number of Constituents: 1 (complete_aggregation)
   Counter                            Value
   -------------------------------- --------------------------------
   scsit_lu_flag_status                       -
             lu_readonly                 0
          report_new_rtpgids                 1

 

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